[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-changelog] [xen master] SUPPORT.md: Add secondary memory management features
commit 9d9ebd792ee3c07affa0e7b2b3ad57e37893c490 Author: George Dunlap <george.dunlap@xxxxxxxxxx> AuthorDate: Wed Nov 22 19:19:04 2017 +0000 Commit: George Dunlap <george.dunlap@xxxxxxxxxx> CommitDate: Mon Nov 27 16:48:44 2017 +0000 SUPPORT.md: Add secondary memory management features Signed-off-by: George Dunlap <george.dunlap@xxxxxxxxxx> Acked-by: Jan Beulich <jbeulich@xxxxxxxx> --- SUPPORT.md | 37 +++++++++++++++++++++++++++++++++++++ 1 file changed, 37 insertions(+) diff --git a/SUPPORT.md b/SUPPORT.md index d748fff..93629f6 100644 --- a/SUPPORT.md +++ b/SUPPORT.md @@ -204,6 +204,43 @@ Export hypervisor coverage data suitable for analysis by gcov or lcov. Allows a guest to add or remove memory after boot-time. This is typically done by a guest kernel agent known as a "balloon driver". +### Populate-on-demand memory + + Status, x86 HVM: Supported + +This is a mechanism that allows normal operating systems with only a balloon driver +to boot with memory < maxmem. + +### Memory Sharing + + Status, x86 HVM: Expermental + +Allow sharing of identical pages between guests + +### Memory Paging + + Status, x86 HVM: Experimenal + +Allow pages belonging to guests to be paged to disk + +### Transcendent Memory + + Status: Experimental + +Transcendent Memory (tmem) allows the creation of hypervisor memory pools +which guests can use to store memory +rather than caching in its own memory or swapping to disk. +Having these in the hypervisor +can allow more efficient aggregate use of memory across VMs. + +### Alternative p2m + + Status, x86 HVM: Tech Preview + Status, ARM: Tech Preview + +Allows external monitoring of hypervisor memory +by maintaining multiple physical to machine (p2m) memory mappings. + ## Resource Management ### CPU Pools -- generated by git-patchbot for /home/xen/git/xen.git#master _______________________________________________ Xen-changelog mailing list Xen-changelog@xxxxxxxxxxxxxxxxxxxx https://lists.xenproject.org/xen-changelog
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